text: /*!
   * g.Raphael 0.5 - Charting library, based on Raphaël
   *
   * Copyright (c) 2009 Dmitry Baranovskiy (http://g.raphaeljs.com)
   * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
   */
  
  /*
   * Tooltips on Element prototype
   */
  /*\
   * Element.popup
   [ method ]
   **
   * Puts the context Element in a 'popup' tooltip. Can also be used on sets.
   **
   > Parameters
   **
   - dir (string) location of Element relative to the tail: `'down'`, `'left'`, `'up'` [default], or `'right'`.
   - size (number) amount of bevel/padding around the Element, as well as half the width and height of the tail [default: `5`]
   - x (number) x coordinate of the popup's tail [default: Element's `x` or `cx`]
   - y (number) y coordinate of the popup's tail [default: Element's `y` or `cy`]
   **
   = (object) path element of the popup
   > Usage
   | paper.circle(50, 50, 5).attr({
   |     stroke: "#fff",
   |     fill: "0-#c9de96-#8ab66b:44-#398235"
   | }).popup();
   \*/
  Raphael.el.popup = function (dir, size, x, y) {
      var paper = this.paper || this[0].paper,
          bb, xy, center, cw, ch;
  
      if (!paper) return;
  
      switch (this.type) {
          case 'text':
          case 'circle':
          case 'ellipse': center = true; break;
          default: center = false;
      }
  
      dir = dir == null ? 'up' : dir;
      size = size || 5;
      bb = this.getBBox();
  
      x = typeof x == 'number' ? x : (center ? bb.x + bb.width / 2 : bb.x);
      y = typeof y == 'number' ? y : (center ? bb.y + bb.height / 2 : bb.y);
      cw = Math.max(bb.width / 2 - size, 0);
      ch = Math.max(bb.height / 2 - size, 0);
  
      this.translate(x - bb.x - (center ? bb.width / 2 : 0), y - bb.y - (center ? bb.height / 2 : 0));
      bb = this.getBBox();
  
      var paths = {
          up: [
              'M', x, y,
              'l', -size, -size, -cw, 0,
              'a', size, size, 0, 0, 1, -size, -size,
              'l', 0, -bb.height,
              'a', size, size, 0, 0, 1, size, -size,
              'l', size * 2 + cw * 2, 0,
              'a', size, size, 0, 0, 1, size, size,
              'l', 0, bb.height,
              'a', size, size, 0, 0, 1, -size, size,
              'l', -cw, 0,
              'z'
          ].join(','),
          down: [
              'M', x, y,
              'l', size, size, cw, 0,
              'a', size, size, 0, 0, 1, size, size,
              'l', 0, bb.height,
              'a', size, size, 0, 0, 1, -size, size,
              'l', -(size * 2 + cw * 2), 0,
              'a', size, size, 0, 0, 1, -size, -size,
              'l', 0, -bb.height,
              'a', size, size, 0, 0, 1, size, -size,
              'l', cw, 0,
              'z'
          ].join(','),
          left: [
              'M', x, y,
              'l', -size, size, 0, ch,
              'a', size, size, 0, 0, 1, -size, size,
              'l', -bb.width, 0,
              'a', size, size, 0, 0, 1, -size, -size,
              'l', 0, -(size * 2 + ch * 2),
              'a', size, size, 0, 0, 1, size, -size,
              'l', bb.width, 0,
              'a', size, size, 0, 0, 1, size, size,
              'l', 0, ch,
              'z'
          ].join(','),
          right: [
              'M', x, y,
              'l', size, -size, 0, -ch,
              'a', size, size, 0, 0, 1, size, -size,
              'l', bb.width, 0,
              'a', size, size, 0, 0, 1, size, size,
              'l', 0, size * 2 + ch * 2,
              'a', size, size, 0, 0, 1, -size, size,
              'l', -bb.width, 0,
              'a', size, size, 0, 0, 1, -size, -size,
              'l', 0, -ch,
              'z'
          ].join(',')
      };
  
      xy = {
          up: { x: -!center * (bb.width / 2), y: -size * 2 - (center ? bb.height / 2 : bb.height) },
          down: { x: -!center * (bb.width / 2), y: size * 2 + (center ? bb.height / 2 : bb.height) },
          left: { x: -size * 2 - (center ? bb.width / 2 : bb.width), y: -!center * (bb.height / 2) },
          right: { x: size * 2 + (center ? bb.width / 2 : bb.width), y: -!center * (bb.height / 2) }
      }[dir];
  
      this.translate(xy.x, xy.y);
  
      return paper.path(paths[dir]).attr({ fill: "#000", stroke: "none" }).insertBefore(this.node ? this : this[0]);
  };
  
  /*\
   * Element.tag
   [ method ]
   **
   * Puts the context Element in a 'tag' tooltip. Can also be used on sets.
   **
   > Parameters
   **
   - angle (number) angle of orientation in degrees [default: `0`]
   - r (number) radius of the loop [default: `5`]
   - x (number) x coordinate of the center of the tag loop [default: Element's `x` or `cx`]
   - y (number) y coordinate of the center of the tag loop [default: Element's `x` or `cx`]
   **
   = (object) path element of the tag
   > Usage
   | paper.circle(50, 50, 15).attr({
   |     stroke: "#fff",
   |     fill: "0-#c9de96-#8ab66b:44-#398235"
   | }).tag(60);
   \*/
  Raphael.el.tag = function (angle, r, x, y) {
      var d = 3,
          paper = this.paper || this[0].paper;
  
      if (!paper) return;
  
      var p = paper.path().attr({ fill: '#000', stroke: '#000' }),
          bb = this.getBBox(),
          dx, R, center, tmp;
  
      switch (this.type) {
          case 'text':
          case 'circle':
          case 'ellipse': center = true; break;
          default: center = false;
      }
  
      angle = angle || 0;
      x = typeof x == 'number' ? x : (center ? bb.x + bb.width / 2 : bb.x);
      y = typeof y == 'number' ? y : (center ? bb.y + bb.height / 2 : bb.y);
      r = r == null ? 5 : r;
      R = .5522 * r;
  
      if (bb.height >= r * 2) {
          p.attr({
              path: [
                  "M", x, y + r,
                  "a", r, r, 0, 1, 1, 0, -r * 2, r, r, 0, 1, 1, 0, r * 2,
                  "m", 0, -r * 2 -d,
                  "a", r + d, r + d, 0, 1, 0, 0, (r + d) * 2,
                  "L", x + r + d, y + bb.height / 2 + d,
                  "l", bb.width + 2 * d, 0, 0, -bb.height - 2 * d, -bb.width - 2 * d, 0,
                  "L", x, y - r - d
              ].join(",")
          });
      } else {
          dx = Math.sqrt(Math.pow(r + d, 2) - Math.pow(bb.height / 2 + d, 2));
          p.attr({
              path: [
                  "M", x, y + r,
                  "c", -R, 0, -r, R - r, -r, -r, 0, -R, r - R, -r, r, -r, R, 0, r, r - R, r, r, 0, R, R - r, r, -r, r,
                  "M", x + dx, y - bb.height / 2 - d,
                  "a", r + d, r + d, 0, 1, 0, 0, bb.height + 2 * d,
                  "l", r + d - dx + bb.width + 2 * d, 0, 0, -bb.height - 2 * d,
                  "L", x + dx, y - bb.height / 2 - d
              ].join(",")
          });
      }
  
      angle = 360 - angle;
      p.rotate(angle, x, y);
  
      if (this.attrs) {
          //elements
          this.attr(this.attrs.x ? 'x' : 'cx', x + r + d + (!center ? this.type == 'text' ? bb.width : 0 : bb.width / 2)).attr('y', center ? y : y - bb.height / 2);
          this.rotate(angle, x, y);
          angle > 90 && angle < 270 && this.attr(this.attrs.x ? 'x' : 'cx', x - r - d - (!center ? bb.width : bb.width / 2)).rotate(180, x, y);
      } else {
          //sets
          if (angle > 90 && angle < 270) {
              this.translate(x - bb.x - bb.width - r - d, y - bb.y - bb.height / 2);
              this.rotate(angle - 180, bb.x + bb.width + r + d, bb.y + bb.height / 2);
          } else {
              this.translate(x - bb.x + r + d, y - bb.y - bb.height / 2);
              this.rotate(angle, bb.x - r - d, bb.y + bb.height / 2); 
          }
      }
  
      return p.insertBefore(this.node ? this : this[0]);
  };
  
  /*\
   * Element.drop
   [ method ]
   **
   * Puts the context Element in a 'drop' tooltip. Can also be used on sets.
   **
   > Parameters
   **
   - angle (number) angle of orientation in degrees [default: `0`]
   - x (number) x coordinate of the drop's point [default: Element's `x` or `cx`]
   - y (number) y coordinate of the drop's point [default: Element's `x` or `cx`]
   **
   = (object) path element of the drop
   > Usage
   | paper.circle(50, 50, 8).attr({
   |     stroke: "#fff",
   |     fill: "0-#c9de96-#8ab66b:44-#398235"
   | }).drop(60);
   \*/
  Raphael.el.drop = function (angle, x, y) {
      var bb = this.getBBox(),
          paper = this.paper || this[0].paper,
          center, size, p, dx, dy;
  
      if (!paper) return;
  
      switch (this.type) {
          case 'text':
          case 'circle':
          case 'ellipse': center = true; break;
          default: center = false;
      }
  
      angle = angle || 0;
  
      x = typeof x == 'number' ? x : (center ? bb.x + bb.width / 2 : bb.x);
      y = typeof y == 'number' ? y : (center ? bb.y + bb.height / 2 : bb.y);
      size = Math.max(bb.width, bb.height) + Math.min(bb.width, bb.height);
      p = paper.path([
          "M", x, y,
          "l", size, 0,
          "A", size * .4, size * .4, 0, 1, 0, x + size * .7, y - size * .7,
          "z"
      ]).attr({fill: "#000", stroke: "none"}).rotate(22.5 - angle, x, y);
  
      angle = (angle + 90) * Math.PI / 180;
      dx = (x + size * Math.sin(angle)) - (center ? 0 : bb.width / 2);
      dy = (y + size * Math.cos(angle)) - (center ? 0 : bb.height / 2);
  
      this.attrs ?
          this.attr(this.attrs.x ? 'x' : 'cx', dx).attr(this.attrs.y ? 'y' : 'cy', dy) :
          this.translate(dx - bb.x, dy - bb.y);
  
      return p.insertBefore(this.node ? this : this[0]);
  };
  
  /*\
   * Element.flag
   [ method ]
   **
   * Puts the context Element in a 'flag' tooltip. Can also be used on sets.
   **
   > Parameters
   **
   - angle (number) angle of orientation in degrees [default: `0`]
   - x (number) x coordinate of the flag's point [default: Element's `x` or `cx`]
   - y (number) y coordinate of the flag's point [default: Element's `x` or `cx`]
   **
   = (object) path element of the flag
   > Usage
   | paper.circle(50, 50, 10).attr({
   |     stroke: "#fff",
   |     fill: "0-#c9de96-#8ab66b:44-#398235"
   | }).flag(60);
   \*/
  Raphael.el.flag = function (angle, x, y) {
      var d = 3,
          paper = this.paper || this[0].paper;
  
      if (!paper) return;
  
      var p = paper.path().attr({ fill: '#000', stroke: '#000' }),
          bb = this.getBBox(),
          h = bb.height / 2,
          center;
  
      switch (this.type) {
          case 'text':
          case 'circle':
          case 'ellipse': center = true; break;
          default: center = false;
      }
  
      angle = angle || 0;
      x = typeof x == 'number' ? x : (center ? bb.x + bb.width / 2 : bb.x);
      y = typeof y == 'number' ? y : (center ? bb.y + bb.height / 2: bb.y);
  
      p.attr({
          path: [
              "M", x, y,
              "l", h + d, -h - d, bb.width + 2 * d, 0, 0, bb.height + 2 * d, -bb.width - 2 * d, 0,
              "z"
          ].join(",")
      });
  
      angle = 360 - angle;
      p.rotate(angle, x, y);
  
      if (this.attrs) {
          //elements
          this.attr(this.attrs.x ? 'x' : 'cx', x + h + d + (!center ? this.type == 'text' ? bb.width : 0 : bb.width / 2)).attr('y', center ? y : y - bb.height / 2);
          this.rotate(angle, x, y);
          angle > 90 && angle < 270 && this.attr(this.attrs.x ? 'x' : 'cx', x - h - d - (!center ? bb.width : bb.width / 2)).rotate(180, x, y);
      } else {
          //sets
          if (angle > 90 && angle < 270) {
              this.translate(x - bb.x - bb.width - h - d, y - bb.y - bb.height / 2);
              this.rotate(angle - 180, bb.x + bb.width + h + d, bb.y + bb.height / 2);
          } else {
              this.translate(x - bb.x + h + d, y - bb.y - bb.height / 2);
              this.rotate(angle, bb.x - h - d, bb.y + bb.height / 2);
          }
      }
  
      return p.insertBefore(this.node ? this : this[0]);
  };
  
  /*\
   * Element.label
   [ method ]
   **
   * Puts the context Element in a 'label' tooltip. Can also be used on sets.
   **
   = (object) path element of the label.
   > Usage
   | paper.circle(50, 50, 10).attr({
   |     stroke: "#fff",
   |     fill: "0-#c9de96-#8ab66b:44-#398235"
   | }).label();
   \*/
  Raphael.el.label = function () {
      var bb = this.getBBox(),
          paper = this.paper || this[0].paper,
          r = Math.min(20, bb.width + 10, bb.height + 10) / 2;
  
      if (!paper) return;
  
      return paper.rect(bb.x - r / 2, bb.y - r / 2, bb.width + r, bb.height + r, r).attr({ stroke: 'none', fill: '#000' }).insertBefore(this.node ? this : this[0]);
  };
  
  /*\
   * Element.blob
   [ method ]
   **
   * Puts the context Element in a 'blob' tooltip. Can also be used on sets.
   **
   > Parameters
   **
   - angle (number) angle of orientation in degrees [default: `0`]
   - x (number) x coordinate of the blob's tail [default: Element's `x` or `cx`]
   - y (number) y coordinate of the blob's tail [default: Element's `x` or `cx`]
   **
   = (object) path element of the blob
   > Usage
   | paper.circle(50, 50, 8).attr({
   |     stroke: "#fff",
   |     fill: "0-#c9de96-#8ab66b:44-#398235"
   | }).blob(60);
   \*/
  Raphael.el.blob = function (angle, x, y) {
      var bb = this.getBBox(),
          rad = Math.PI / 180,
          paper = this.paper || this[0].paper,
          p, center, size;
  
      if (!paper) return;
  
      switch (this.type) {
          case 'text':
          case 'circle':
          case 'ellipse': center = true; break;
          default: center = false;
      }
  
      p = paper.path().attr({ fill: "#000", stroke: "none" });
      angle = (+angle + 1 ? angle : 45) + 90;
      size = Math.min(bb.height, bb.width);
      x = typeof x == 'number' ? x : (center ? bb.x + bb.width / 2 : bb.x);
      y = typeof y == 'number' ? y : (center ? bb.y + bb.height / 2 : bb.y);
  
      var w = Math.max(bb.width + size, size * 25 / 12),
          h = Math.max(bb.height + size, size * 25 / 12),
          x2 = x + size * Math.sin((angle - 22.5) * rad),
          y2 = y + size * Math.cos((angle - 22.5) * rad),
          x1 = x + size * Math.sin((angle + 22.5) * rad),
          y1 = y + size * Math.cos((angle + 22.5) * rad),
          dx = (x1 - x2) / 2,
          dy = (y1 - y2) / 2,
          rx = w / 2,
          ry = h / 2,
          k = -Math.sqrt(Math.abs(rx * rx * ry * ry - rx * rx * dy * dy - ry * ry * dx * dx) / (rx * rx * dy * dy + ry * ry * dx * dx)),
          cx = k * rx * dy / ry + (x1 + x2) / 2,
          cy = k * -ry * dx / rx + (y1 + y2) / 2;
  
      p.attr({
          x: cx,
          y: cy,
          path: [
              "M", x, y,
              "L", x1, y1,
              "A", rx, ry, 0, 1, 1, x2, y2,
              "z"
          ].join(",")
      });
  
      this.translate(cx - bb.x - bb.width / 2, cy - bb.y - bb.height / 2);
  
      return p.insertBefore(this.node ? this : this[0]);
  };
  
  /*
   * Tooltips on Paper prototype
   */
  /*\
   * Paper.label
   [ method ]
   **
   * Puts the given `text` into a 'label' tooltip. The text is given a default style according to @g.txtattr. See @Element.label
   **
   > Parameters
   **
   - x (number) x coordinate of the center of the label
   - y (number) y coordinate of the center of the label
   - text (string) text to place inside the label
   **
   = (object) set containing the label path and the text element
   > Usage
   | paper.label(50, 50, "$9.99");
   \*/
  Raphael.fn.label = function (x, y, text) {
      var set = this.set();
  
      text = this.text(x, y, text).attr(Raphael.g.txtattr);
      return set.push(text.label(), text);
  };
  
  /*\
   * Paper.popup
   [ method ]
   **
   * Puts the given `text` into a 'popup' tooltip. The text is given a default style according to @g.txtattr. See @Element.popup
   *
   * Note: The `dir` parameter has changed from g.Raphael 0.4.1 to 0.5. The options `0`, `1`, `2`, and `3` has been changed to `'down'`, `'left'`, `'up'`, and `'right'` respectively.
   **
   > Parameters
   **
   - x (number) x coordinate of the popup's tail
   - y (number) y coordinate of the popup's tail
   - text (string) text to place inside the popup
   - dir (string) location of the text relative to the tail: `'down'`, `'left'`, `'up'` [default], or `'right'`.
   - size (number) amount of padding around the Element [default: `5`]
   **
   = (object) set containing the popup path and the text element
   > Usage
   | paper.popup(50, 50, "$9.99", 'down');
   \*/
  Raphael.fn.popup = function (x, y, text, dir, size) {
      var set = this.set();
  
      text = this.text(x, y, text).attr(Raphael.g.txtattr);
      return set.push(text.popup(dir, size), text);
  };
  
  /*\
   * Paper.tag
   [ method ]
   **
   * Puts the given text into a 'tag' tooltip. The text is given a default style according to @g.txtattr. See @Element.tag
   **
   > Parameters
   **
   - x (number) x coordinate of the center of the tag loop
   - y (number) y coordinate of the center of the tag loop
   - text (string) text to place inside the tag
   - angle (number) angle of orientation in degrees [default: `0`]
   - r (number) radius of the loop [default: `5`]
   **
   = (object) set containing the tag path and the text element
   > Usage
   | paper.tag(50, 50, "$9.99", 60);
   \*/
  Raphael.fn.tag = function (x, y, text, angle, r) {
      var set = this.set();
  
      text = this.text(x, y, text).attr(Raphael.g.txtattr);
      return set.push(text.tag(angle, r), text);
  };
  
  /*\
   * Paper.flag
   [ method ]
   **
   * Puts the given `text` into a 'flag' tooltip. The text is given a default style according to @g.txtattr. See @Element.flag
   **
   > Parameters
   **
   - x (number) x coordinate of the flag's point
   - y (number) y coordinate of the flag's point
   - text (string) text to place inside the flag
   - angle (number) angle of orientation in degrees [default: `0`]
   **
   = (object) set containing the flag path and the text element
   > Usage
   | paper.flag(50, 50, "$9.99", 60);
   \*/
  Raphael.fn.flag = function (x, y, text, angle) {
      var set = this.set();
  
      text = this.text(x, y, text).attr(Raphael.g.txtattr);
      return set.push(text.flag(angle), text);
  };
  
  /*\
   * Paper.drop
   [ method ]
   **
   * Puts the given text into a 'drop' tooltip. The text is given a default style according to @g.txtattr. See @Element.drop
   **
   > Parameters
   **
   - x (number) x coordinate of the drop's point
   - y (number) y coordinate of the drop's point
   - text (string) text to place inside the drop
   - angle (number) angle of orientation in degrees [default: `0`]
   **
   = (object) set containing the drop path and the text element
   > Usage
   | paper.drop(50, 50, "$9.99", 60);
   \*/
  Raphael.fn.drop = function (x, y, text, angle) {
      var set = this.set();
  
      text = this.text(x, y, text).attr(Raphael.g.txtattr);
      return set.push(text.drop(angle), text);
  };
  
  /*\
   * Paper.blob
   [ method ]
   **
   * Puts the given text into a 'blob' tooltip. The text is given a default style according to @g.txtattr. See @Element.blob
   **
   > Parameters
   **
   - x (number) x coordinate of the blob's tail
   - y (number) y coordinate of the blob's tail
   - text (string) text to place inside the blob
   - angle (number) angle of orientation in degrees [default: `0`]
   **
   = (object) set containing the blob path and the text element
   > Usage
   | paper.blob(50, 50, "$9.99", 60);
   \*/
  Raphael.fn.blob = function (x, y, text, angle) {
      var set = this.set();
  
      text = this.text(x, y, text).attr(Raphael.g.txtattr);
      return set.push(text.blob(angle), text);
  };
  /**
   * zhanghuihua
   */
  Raphael.fn.axis=function (x, y, length, from, to, steps, orientation, labels, type, dashsize) {
  	return Raphael.g.axis(x, y, length, from, to, steps, orientation, labels, type, dashsize, this) ;
  };
  /**
   * Brightness functions on the Element prototype
   */
  /*\
   * Element.lighter
   [ method ]
   **
   * Makes the context element lighter by increasing the brightness and reducing the saturation by a given factor. Can be called on Sets.
   **
   > Parameters
   **
   - times (number) adjustment factor [default: `2`]
   **
   = (object) Element
   > Usage
   | paper.circle(50, 50, 20).attr({
   |     fill: "#ff0000",
   |     stroke: "#fff",
   |     "stroke-width": 2
   | }).lighter(6);
   \*/
  Raphael.el.lighter = function (times) {
      times = times || 2;
  
      var fs = [this.attrs.fill, this.attrs.stroke];
  
      this.fs = this.fs || [fs[0], fs[1]];
  
      fs[0] = Raphael.rgb2hsb(Raphael.getRGB(fs[0]).hex);
      fs[1] = Raphael.rgb2hsb(Raphael.getRGB(fs[1]).hex);
      fs[0].b = Math.min(fs[0].b * times, 1);
      fs[0].s = fs[0].s / times;
      fs[1].b = Math.min(fs[1].b * times, 1);
      fs[1].s = fs[1].s / times;
  
      this.attr({fill: "hsb(" + [fs[0].h, fs[0].s, fs[0].b] + ")", stroke: "hsb(" + [fs[1].h, fs[1].s, fs[1].b] + ")"});
      return this;
  };
  
  /*\
   * Element.darker
   [ method ]
   **
   * Makes the context element darker by decreasing the brightness and increasing the saturation by a given factor. Can be called on Sets.
   **
   > Parameters
   **
   - times (number) adjustment factor [default: `2`]
   **
   = (object) Element
   > Usage
   | paper.circle(50, 50, 20).attr({
   |     fill: "#ff0000",
   |     stroke: "#fff",
   |     "stroke-width": 2
   | }).darker(6);
   \*/
  Raphael.el.darker = function (times) {
      times = times || 2;
  
      var fs = [this.attrs.fill, this.attrs.stroke];
  
      this.fs = this.fs || [fs[0], fs[1]];
  
      fs[0] = Raphael.rgb2hsb(Raphael.getRGB(fs[0]).hex);
      fs[1] = Raphael.rgb2hsb(Raphael.getRGB(fs[1]).hex);
      fs[0].s = Math.min(fs[0].s * times, 1);
      fs[0].b = fs[0].b / times;
      fs[1].s = Math.min(fs[1].s * times, 1);
      fs[1].b = fs[1].b / times;
  
      this.attr({fill: "hsb(" + [fs[0].h, fs[0].s, fs[0].b] + ")", stroke: "hsb(" + [fs[1].h, fs[1].s, fs[1].b] + ")"});
      return this;
  };
  
  /*\
   * Element.resetBrightness
   [ method ]
   **
   * Resets brightness and saturation levels to their original values. See @Element.lighter and @Element.darker. Can be called on Sets.
   **
   = (object) Element
   > Usage
   | paper.circle(50, 50, 20).attr({
   |     fill: "#ff0000",
   |     stroke: "#fff",
   |     "stroke-width": 2
   | }).lighter(6).resetBrightness();
   \*/
  Raphael.el.resetBrightness = function () {
      if (this.fs) {
          this.attr({ fill: this.fs[0], stroke: this.fs[1] });
          delete this.fs;
      }
      return this;
  };
  
  //alias to set prototype
  (function () {
      var brightness = ['lighter', 'darker', 'resetBrightness'],
          tooltips = ['popup', 'tag', 'flag', 'label', 'drop', 'blob'];
  
      for (var f in tooltips) (function (name) {
          Raphael.st[name] = function () {
              return Raphael.el[name].apply(this, arguments);
          };
      })(tooltips[f]);
  
      for (var f in brightness) (function (name) {
          Raphael.st[name] = function () {
              for (var i = 0; i < this.length; i++) {
                  this[i][name].apply(this[i], arguments);
              }
  
              return this;
          };
      })(brightness[f]);
  })();
  
  //chart prototype for storing common functions
  Raphael.g = {
      /*\
       * g.shim
       [ object ]
       **
       * An attribute object that charts will set on all generated shims (shims being the invisible objects that mouse events are bound to)
       **
       > Default value
       | { stroke: 'none', fill: '#000', 'fill-opacity': 0 }
       \*/
      shim: { stroke: 'none', fill: '#000', 'fill-opacity': 0 },
  
      /*\
       * g.txtattr
       [ object ]
       **
       * An attribute object that charts and tooltips will set on any generated text
       **
       > Default value
       | { font: '12px Arial, sans-serif', fill: '#fff' }
       \*/  
      txtattr: { font: '12px Arial, sans-serif', fill: '#fff' },
  
      /*\
       * g.colors
       [ array ]
       **
       * An array of color values that charts will iterate through when drawing chart data values.
       **
       \*/
      colors: (function () {
              var hues = [.6, .2, .05, .1333, .75, 0],
                  colors = [];
  
              for (var i = 0; i < 10; i++) {
                  if (i < hues.length) {
                      colors.push('hsb(' + hues[i] + ',.75, .75)');
                  } else {
                      colors.push('hsb(' + hues[i - hues.length] + ', 1, .5)');
                  }
              }
  
              return colors;
      })(),
      
      snapEnds: function(from, to, steps) {
          var f = from,
              t = to;
  
          if (f == t) {
              return {from: f, to: t, power: 0};
          }
  
          function round(a) {
              return Math.abs(a - .5) < .25 ? ~~(a) + .5 : Math.ceil(a);
          }
  
          var d = (t - f) / steps,
              r = ~~(d),
              R = r,
              i = 0;
  
          if (r) {
              while (R) {
                  i--;
                  R = ~~(d * Math.pow(10, i)) / Math.pow(10, i);
              }
  
              i ++;
          } else {
              while (!r) {
                  i = i || 1;
                  r = ~~(d * Math.pow(10, i)) / Math.pow(10, i);
                  i++;
              }
  
              i && i--;
          }
  
          t = round(to * Math.pow(10, i)) / Math.pow(10, i);
  
          if (t < to) {
              t = round((to + .5) * Math.pow(10, i)) / Math.pow(10, i);
          }
  
          f = round((from - (i > 0 ? 0 : .5)) * Math.pow(10, i)) / Math.pow(10, i);
          return { from: f, to: t, power: i };
      },
  
      axis: function (x, y, length, from, to, steps, orientation, labels, type, dashsize, paper) {
          dashsize = dashsize == null ? 2 : dashsize;
          type = type || "t";
          steps = steps || 10;
          paper = arguments[arguments.length-1] //paper is always last argument
  
          var path = type == "|" || type == " " ? ["M", x + .5, y, "l", 0, .001] : orientation == 1 || orientation == 3 ? ["M", x + .5, y, "l", 0, -length] : ["M", x, y + .5, "l", length, 0],
              ends = this.snapEnds(from, to, steps),
              f = ends.from,
              t = ends.to,
              i = ends.power,
              j = 0,
              txtattr = { font: "11px 'Fontin Sans', Fontin-Sans, sans-serif" },
              text = paper.set(),
              d;
  
          d = (t - f) / steps;
  
          var label = f,
              rnd = i > 0 ? i : 0;
              dx = length / steps;
  
          if (+orientation == 1 || +orientation == 3) {
              var Y = y,
                  addon = (orientation - 1 ? 1 : -1) * (dashsize + 3 + !!(orientation - 1));
  
              while (Y >= y - length) {
                  type != "-" && type != " " && (path = path.concat(["M", x - (type == "+" || type == "|" ? dashsize : !(orientation - 1) * dashsize * 2), Y + .5, "l", dashsize * 2 + 1, 0]));
                  text.push(paper.text(x + addon, Y, (labels && labels[j++]) || (Math.round(label) == label ? label : +label.toFixed(rnd))).attr(txtattr).attr({ "text-anchor": orientation - 1 ? "start" : "end" }));
                  label += d;
                  Y -= dx;
              }
  
              if (Math.round(Y + dx - (y - length))) {
                  type != "-" && type != " " && (path = path.concat(["M", x - (type == "+" || type == "|" ? dashsize : !(orientation - 1) * dashsize * 2), y - length + .5, "l", dashsize * 2 + 1, 0]));
                  text.push(paper.text(x + addon, y - length, (labels && labels[j]) || (Math.round(label) == label ? label : +label.toFixed(rnd))).attr(txtattr).attr({ "text-anchor": orientation - 1 ? "start" : "end" }));
              }
          } else {
              label = f;
              rnd = (i > 0) * i;
              addon = (orientation ? -1 : 1) * (dashsize + 9 + !orientation);
  
              var X = x,
                  dx = length / steps,
                  txt = 0,
                  prev = 0;
  
              while (X <= x + length) {
                  type != "-" && type != " " && (path = path.concat(["M", X + .5, y - (type == "+" ? dashsize : !!orientation * dashsize * 2), "l", 0, dashsize * 2 + 1]));
                  text.push(txt = paper.text(X, y + addon, (labels && labels[j++]) || (Math.round(label) == label ? label : +label.toFixed(rnd))).attr(txtattr));
  
                  var bb = txt.getBBox();
  
                  if (prev >= bb.x - 5) {
                      text.pop(text.length - 1).remove();
                  } else {
                      prev = bb.x + bb.width;
                  }
  
                  label += d;
                  X += dx;
              }
  
              if (Math.round(X - dx - x - length)) {
                  type != "-" && type != " " && (path = path.concat(["M", x + length + .5, y - (type == "+" ? dashsize : !!orientation * dashsize * 2), "l", 0, dashsize * 2 + 1]));
                  text.push(paper.text(x + length, y + addon, (labels && labels[j]) || (Math.round(label) == label ? label : +label.toFixed(rnd))).attr(txtattr));
              }
          }
  
          var res = paper.path(path);
  
          res.text = text;
          res.all = paper.set([res, text]);
          res.remove = function () {
              this.text.remove();
              this.constructor.prototype.remove.call(this);
          };
  
          return res;
      },
      
      labelise: function(label, val, total) {
          if (label) {
              return (label + "").replace(/(##+(?:\.#+)?)|(%%+(?:\.%+)?)/g, function (all, value, percent) {
                  if (value) {
                      return (+val).toFixed(value.replace(/^#+\.?/g, "").length);
                  }
                  if (percent) {
                      return (val * 100 / total).toFixed(percent.replace(/^%+\.?/g, "").length) + "%";
                  }
              });
          } else {
              return (+val).toFixed(0);
          }
      }
  }
  